From: Makarand Pradhan <makarandpradhan@ruggedcom.com>
To: Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>
Cc: "xenomai@xenomai.org" <xenomai@xenomai.org>
Subject: Re: [Xenomai] Improper closure of rt pipe
Date: Thu, 1 Nov 2012 09:16:04 -0400 [thread overview]
Message-ID: <50927614.5090101@ruggedcom.com> (raw)
In-Reply-To: <45c36ddf13bd0bd3bdc199be436c8325.squirrel@www.xenomai.org>
On 31/10/12 06:50 PM, Gilles Chanteperdrix wrote:
> Makarand Pradhan wrote:
>> Hi All,
>>
>> While working with rt pipes I noticed that:
>>
>> > When a process that is writing to the real time pipe is killed, I am
>> not able to write to the pipe again after restarting the process.
>> > When the pipe is closed properly with an fclose, then everything works.
>> > The only way to recover the rt pipe was to reboot the system.
>>
>> Would highly appreciate if you can comment on this behaviour.
>> Is it the expected behaviour?
>> Is there a way to recover the rt pipe without rebooting? Anything that
>> can be done, on the other side of the pipe after detecting closure? I
>> have tried deleting and recreating the pipe with no luck. I am running
>> in user space so cannot flush the pipe.
>>
>> Am attaching code that can be used to reproduce this issue.
>>
>> I am running linux 3.0.0 on MPC8360.
> Since it looks like a Xenomai bug, the really important information is the
> version of Xenomai you are using. Anyway, this looks like a bug that was
> reported a long time ago and fixed recently. Could you try the current HEAD
> of the "master" branch in xenomai 2.6 git?
>
> git://git.xenomai.org/xenomai-2.6.git
>
We are running xenomai-2.6 (stable). Will try to go to the HEAD.
Rgds,
Makarand.
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prev parent reply other threads:[~2012-11-01 13:16 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-10-31 20:16 [Xenomai] Improper closure of rt pipe Makarand Pradhan
2012-10-31 22:50 ` Gilles Chanteperdrix
2012-11-01 13:16 ` Makarand Pradhan [this message]
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